M&S says

When heading to the office for work and important meetings, you want to look professional while also feeling great. This tailored shirt will help you feel comfortable for longer, being made with our Supima® cotton rich fabric that has a touch of added stretch. The classic cut collar has removable collarbones to keep you looking sharp. Available in a range of versatile colours, this cotton shirt for men is sure to become a staple in your wardrobe.

Care and Composition

35 days to return - You may return unused products within 35 days of purchase with a valid parcel summary document. Your items don't need to be in the original box or bag as long as they're securely packaged.

2. Easy returns from home. Simply print the returns label, attach it to the top of your parcel and insert the returns note in the parcel. You will then be able to return all or part of your order at your own cost through your preferred carrier. To create a returns label, visit our returns portal and follow the instructions Global E portal. Click here.